{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe68d99af18b39b911a60e1744cfd9f0fdbc025bb0f0a8847b392e0a2d25e2b51",
    "signature": "0xb6b0f47c07bc5acc522fea8fa9fd83ec4a517410f751f180056be6f40959711920187382604e980741debc9aa6abf3b4560b1ca7fb8cb45759cc10021ae041f41b",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}