{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74222",
    "entityType": "User",
    "nonce": "0x96bf97dff2bc6902aea7f5c6031ca3bd0d7784cda69be7cdf5f74c9b9f9e9aa2",
    "signature": "0xd4127140b40d175d9581c5d666a2b08312e885d47647020013ad5b63d8e94e0b5ae7f2efc5e4557bbe0b7264ae6952298f9ceaf68d2659acc9dcdb63cfd870ff1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}