{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc1b3dc696acbd49362f6cfb709022e1421a138797979423216d4324b0cb2773f",
    "signature": "0x0a1a7f0980f7dd8c8e11ebf6b45086ba7fb80df36024ee9a995f88e51c7d7fa86b2f26ad97851c2b384014677be8a1d624a62178efa589366675cd6e19df636b1c",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}