{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xc5054da22fd27abc5231f9fb5fe7494900819adffccc1501dc32a700514b6b74",
    "signature": "0x0264810c92bd8c182b28a8c464ab5cc3b02ce735fddc47a578069e36fc7b45d5090ac10aaf76484bcad5780cf8d6ef1da00e412a674e506c7fb5dba52c7768d71b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}