{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117730",
    "entityType": "User",
    "nonce": "0xd17faf560271136314a6e30037f6bf92668e66e266673151bb6b69e225c7e048",
    "signature": "0x5090ca7301ab537141c34b5ef6861806a51ee7ed6c3f85b7b8619f4c31cdd4122d7b32f51a3be1abb2fd3d7151e7e0846cc8daaf2f69cef7c4a71e73abaddf931b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}