{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf299d96481edb7017ed136493429167e09573e68eff5aef301b85712074dc9d4",
    "signature": "0x465dea84c70c8a5052c01a06d7adcd5692edd2388827a102f1bdcfb1977010b764e8bfbcbc03d2bbd79fdeb46eec45ab794a69a2e5d61229d74b17dcf16a6aea1c",
    "signer": "0xD3cd5b6Bf4C27319928ad492De824Cf7e3fcdD7F",
    "userId": "93719835"
  }
}