{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x610127fa9c20d9bc2e34b2c32a2c91a25384428ee681193d0ccc7c4045872263",
    "signature": "0x193e83e67c5662a9bf009da68c4bf9b8fbc914f6fc1934bb5f84634b94fd8c5d6d3744ec4a1b7642fa9855a352abf00e0e1cc6e8ee5ad4716aad2d71bf2bd6391b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}