{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x1a1e4f9a3189eae3a5f90446605d9c6e48e5249feddefc1aa17e1f1d151f5814",
    "signature": "0x85eaa71c0a47996ef4fc898a57f52e4895ecc73867560a00d10ab27ec92d23d062cc6d7266ad83764045e0ffd85053cc51a6891aaa925d9661f519d192c526dd1c",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}