{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760764",
    "entityType": "User",
    "nonce": "0x8c25c430888fcab6f24f4d0a44c6ce0afeae3616ca4fde228ec9bbdfcf0db6b6",
    "signature": "0xd39d96e8aaae2df804acc31288562066446b59d003eb4eb1a5d20d66d0a4b832245dd0fdcc2235be56f0d62eefa0560fde7400d95bdcd77b983ef2999396e7f31b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}