{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956096",
    "entityType": "User",
    "nonce": "0x1d385a0ab0eda0c701fb252eb81be8c70bd9e7eabffc971d251de1cd9d07dc37",
    "signature": "0x684749cc95a80b20150e09fb43aed17aa60bc0838ca077dbfb2c747d141ecc8d54afbc615dc5d3006d1d3adf9195016d40bc29c0dc31a83c9725a7435c3058691b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}