{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x3b64bf3b1c11c16904fce7afe054f465f3180df8b9f4b843d269eb0ad3c4f924",
    "signature": "0x3de2135e535374419a37a4951edebe7d7f8ecc391d3f45cd0de29a3887f0f5d83ee8a654f1746c5da8788df09cc81be73fdb8e65301583979d81817494e813db1c",
    "signer": "0x401225235d5AeCc31ddD1200b6A5597442b14a9e",
    "userId": "41709426"
  }
}