{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0x1a0077c26637087a4e9bd43f5da0a4b9af652c6354c89def01324793aa4762be",
    "signature": "0xad65517bd5981ebaba542fa084552ffb45cc9b8107f1642d38f1cc1f8ec4211d30cfca7d131aca5f9e35c39deec722f3d27f38a37ac88e46d7e79f9f4cdc79531c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}