{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "350030",
    "entityType": "User",
    "nonce": "0x114a834e7684fdb8226f992836cdf46c1f8d4f57f11154b85bfabf372aa5ad22",
    "signature": "0xa915f905dde2a4b17cb57349047fe4c813e7ab0eec7579d8907b6300261e88a9431b95e360b0f728fef3b5b1da64279e713bda74e3157dc95054258c2b9f4c701b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}