{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfc2dd6c8733b9faf58770a51d9e5f5f9922c83ed458830d83e77a716f01ee5fa",
    "signature": "0x8f387f21d72fbc0d29fa8feb89830f6f5ad84217b6273fd56665a20bb8a2dbde08e2c92727152083c4d855cd5c19315fd2f82141d6ea40ffd6e1878d4a5f632c1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}