{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113158417",
    "entityType": "User",
    "nonce": "0xf2cb0848e22bd76f51d5d45878c56890c565ec7d72a39c3d366f69864ac4199c",
    "signature": "0x6630bc094ddfc1220507d8ea15381dab7f79219f761aef4e1664c79ec121c36e2abb2cf2cf1f8addc8e6f4d3bde58cc6fb1fb9364e94785ee01119dcbdd8d6c01b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}