{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109656",
    "entityType": "User",
    "nonce": "0xd6a569dcdb2c0ffeb0beb560bb1e14b48975f666136f3ca80fc10e701eb97085",
    "signature": "0xff7ea780f27a09e18dec7d9cd5b4dc8ed307a6b38463f9c5db5a45e5cca2b8396b5b428ee370ac20fe18e060e3bf1ad2742898e7c20ace6380b256e0dcea08121c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}