{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x3e61c12616c638969ff76c3066831300b48eb890f2496c99fec2ab63803b7a08",
    "signature": "0x14782b4022f3b02ac042dd797de0cc084390d7e492ef98f70121ff9d4e82937f41f534844068506f08daf5b1e3e1f27cd614b2f17767c7b76796037e52e1c8631c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}