{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "684938",
    "entityType": "User",
    "nonce": "0x76b2ee9f7862de74dd71db4956a490efe039d0d03f6419a6cc8467102bb4bfcb",
    "signature": "0x589c12c933a83d701553879c6e333f38cd03c1c67c161e17b7c4b8191108c26917e3e7697e91a4938135c32e334e6cabe59f2ca58692febe37a6e0dab56a5e4e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}