{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126990",
    "entityType": "User",
    "nonce": "0xbc2b068dc8a4da51119e4d5cdf028b7a91ef4f29aadea6b3ef8ed5072c31f6bb",
    "signature": "0x83663182f7f4af5d0437f70890f35ca89d7c562bb9b690734e919651e1a3084e6ea98242a767c3d3fc16d6a340a996b112098fefdb319a7107667c6bcca27e841b",
    "signer": "0x3B15C1247a5CC34F846b88f0E04B262f39b05C1e",
    "userId": "563285188"
  }
}