{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102143",
    "entityType": "User",
    "nonce": "0xc5096fd1d1a65ebe2afabea9b6bd7f50a91596dc366cfe998f120cc1a030d817",
    "signature": "0x68fa02c08ec97860887655f623b861ecc589cdf58cd5889fc884e3bd5942aaeb27586c960c0f5a861d7a366031f03fab74423b5575afd3885457c99b8fce1f3a1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}