{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5708da15f90d53cd11cbcd85c6b0612f899cc766e0c1b47750acc8cd81e88ef6",
    "signature": "0xc81c28eb603829a4aa07dd282925852a1999f24f53d47d37805aac53fa4d97a76d6b8a14e772c956806858dda6b2aaac32ca1d722f69ac7869795c2619ddbb3a1c",
    "signer": "0x2E058fD7C161Fc7CaeCD33c81450E40CcB7bdeE1",
    "userId": "714230606"
  }
}