{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0x910c974119b4a6a9ccdcb9f2a7ddcf1887a8617b23bf862e1ac18eb66c228ce9",
    "signature": "0x01f31e2a3ad26e732fc3f5b67b9aa22fac1acc276f83feadef115bd0fe62418f14e94bbd792b639c6010b9142a1b8e0bb458ceacd80f01fd4f37c2fc645fa01f1c",
    "signer": "0x8c83aB7F6a7f7A93A7CeFeF6E16b212bA43529f5",
    "userId": "549340592"
  }
}