{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33173470",
    "entityType": "User",
    "nonce": "0x321c6b51d6870e115ab8670051b92caad7fbd737be3eccdaaea96e6a051452eb",
    "signature": "0xd73665aeca23d53b48f3cc81f546493f39f8fd16cccb76ecdfa6c8f9143d224321d53738ab1d56da1d9cc520191ad265e366aeff7f2ac5ba8dd02254d681a2301b",
    "signer": "0x3776E1D82Ebf03656FA9D03C18fd5B58D7Ddd337",
    "userId": "83331354"
  }
}