{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0x9aed6dacb552aaadbe941b5690b66c1dbed4bc717f7ed62fb41b90950214fed4",
    "signature": "0x36c55f1f73e7e2be83a951d15436c7da477236897861227d0d85fc085d2b6c6637962232ce55be725fc444fbf963ef49c7437a127f39a43587489fa219c65e581b",
    "signer": "0x5d38Cb184274A585dC79f62FC669Eca2c573005D",
    "userId": "867710486"
  }
}