{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xdaf515457070367245a7e8615004412265abec9cd46514925c640fe7a92c4a9f",
    "signature": "0x9ce4658daca1977f712075dd1a857741efb77fb6a5dd1422987ebfbc7d1e199620eaf7787860d0e97fbcc569e0efa5ae5a131ecdb71c9ac7862db0cbb7507d321c",
    "signer": "0xE5EA89C11125E62d27764f91F89d06f741D3f34D",
    "userId": "125637459"
  }
}