{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177488",
    "entityType": "User",
    "nonce": "0x6af02fe97df0635fb9474f66f33e590e7bb596dc8cc00e8b7b2f15fa29066519",
    "signature": "0xe718e8e1e105c74eb4b1af6c6a008b616d669bf9094253307d4549b1092110e623ae9f23229db4acd3cc95b63c76bb5ff77582414ec9fcac083e7cebff5676091c",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}