{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315748",
    "entityType": "User",
    "nonce": "0x0bc713ce15a6f5dbaeb1674cdfb575a0e52870a9abd7f5b3f619997bdb53aa58",
    "signature": "0xaebd52b30b1e53e1e52f2331cb4dc00194326b3d265dcd200c431a473209e5d132fc5171f78bc6025fa51453da9f5252617818fe924180098971b7830122a1861b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}