{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe8637ee13577657a4ab485ebf0e3843d82fe44a4e3cd3fda2882b5a755729404",
    "signature": "0x095ef0d9941f674c14429ccef20ebf23b2a25131b8116ddce8b26b1355e3394c3dd5990604eb4c1bade8786dcbdfb2f2f8e36653b01ca06714d5865994a6d4661b",
    "signer": "0x93d63D868968814aF44a40bBd1579C25A8c32fac",
    "userId": "33513235"
  }
}