{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185184169",
    "entityType": "User",
    "nonce": "0x3406bcc5752ef884ab1b85823da8f12efbf6ab01682b4e9ab4e2d4928b7930f2",
    "signature": "0xc78508b3e6c4d03ec9be438ed08e96167cfa619ef7296a2b6f32a06ce0185a9c43d65f7ceec11a74a39bedf9ae046053df56e3c75e19721b7f01c286a0ac36b21c",
    "signer": "0xA56552Ddf7D4d833c1B3e4f8D727B787d4D1DFFe",
    "userId": "629530515"
  }
}