{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372473796",
    "entityType": "User",
    "nonce": "0x00375f24a5fe9f98b90c35c6ef50f2646b9c900c69e3ea3bb0f53dc631d112eb",
    "signature": "0x96a34069ac2cb2e1b7706663603e8622b19b68259d5d284f6eeaac4557c091cc093732f85e8747bef4c16ffb3c1a780841ca151fc2aa7eb1d85a9a03dbebd2431b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}