{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0x8c6349dd7358a804e17d53313ea3e4422edfaf2ca5066eb131225620e4f6f542",
    "signature": "0x0a0560a05cb3d356a7bbe8ecb9ea1ad5f964e7999338cbafc7639c092c95b79759b1ea6eacf134b8df3ca855378ae249033b813a3aa75e34d2878bab3241462a1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}