{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x46c8d04e70d25c66c0923cfe3e1a1837261a3603d65e0647d3bce81a32b87e5e",
    "signature": "0x24657c22ff2a888aec2f0e0b7c5a221d650194753bedbb53c398361d4208666b656dcbefa77030f949950c1be470ce5221549bcf38eb62a85edc3ed6264aae151c",
    "signer": "0x93927a047d15ce3D13193c5F046160C9d2b028Bc",
    "userId": "638513293"
  }
}