{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203753098",
    "entityType": "User",
    "nonce": "0x8dd8e4e023b9da5afeb5afd3aa26bfc78683e6d9f19476d5be548e7638d4bd21",
    "signature": "0x511e4d83a691d22358f82221d6d8b36cf2748a09a0621859ff680a33879a4a382bfbfdef62e1afefea2af6d2f595eb13b80c9dca21566d27d5b97d82d40e59c71c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}