{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xae36b1ef56bb1f63a8368c2d996710e267e9b513384b8909404b26770aee6102",
    "signature": "0x1738bbb2753f5840df3225a95a92d46a0146ae588d86cd4c6af5463694bdce24325cc4d1c0151d15777875e96b00b50756dcea7799c756af409708327c14481d1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}