{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73538",
    "entityType": "User",
    "nonce": "0x86be7ec0f578c956a09d39aa2e5df36895cf81eea3b901d784f63e36a8484af2",
    "signature": "0xd59f16fecc7dc7346a30f2e317d320998c9ce7249bbd0d40ac4a35f74999cdc470652a7e5b3a40a781bd749fda8af88f623363341a7556d51e6db4cd269f34c71c",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}