{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347797",
    "entityType": "User",
    "nonce": "0x69f139c01ad3720290b5a5a58a0ca3e98e3a2603e53166258bd879200366ff71",
    "signature": "0xbc4e429a271ca2c492f922c1317770da01a714d05252f33db6da3487eca9bf7555202f68d45d7fe94ec1f24d58a1ea4c32c7ad6e5e4bcffdbc2783fa8344c93b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}