{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984172272",
    "entityType": "User",
    "nonce": "0xe00a2ae39befd1255310422686c4d8bda491c9dc0be0a1f705f8e5d3df2eb4a2",
    "signature": "0x7ef2a509ce2c44727f420c2d575deb068a44b223e40e033cea3efa6d9c8090525232ef21efaf60861a09cebcd554052ab4261396dc0f86e457ad83a289874fb31b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}