{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0x77b7961c7d2999a9e8850115017344cb3b86116885d0317e672d31a8d9a0dfbe",
    "signature": "0x7645fc90b0f156956fbb4dfd0412702847fdc23662f5f37a41fc33abd563c91f4898372e9c382ecb15c8c0f9a54e7c9e3b3d488f4e930a0430a7d3b4b7b510b01b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}