{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "524526226",
    "entityType": "User",
    "nonce": "0x8095495a4cc4588739fdb3c1f3a2cd728879ece2a89fd87bc0bdc16012d327b9",
    "signature": "0xa831832e84976bcda4e5eee23ef2270bb4c96fdac2d3dbbd8ddbc8ddedfa647150e660fa0e1bc223dcea85ecfce72922e4c60c6bcfc1bad6bdcd9f0e0dc5ca431b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}