{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948646118",
    "entityType": "User",
    "nonce": "0x9e53862e84257c6dd379d0a808e84d473a88302e4a53bd946990fecab883d7ca",
    "signature": "0x84831e45f6aefae5b5031da6867d51ca762ea52811d6a8f084e11c870b7679c46200c82b32940be9d020653afa9be2e316721e4ee202a37a5c570dea724b78281b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}