{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333145",
    "entityType": "User",
    "nonce": "0x202e92e3c790bea4fc01c2633bfe908ccafc3c40c6efce4847389f623e72d98b",
    "signature": "0x847645768e342f2a585d4e7e680b7035704d29977d52c5be840d51f401a87a7936532d130fd910754b42d9aeb94d353a8cb7d1ac55cd54399220c4caa0bc45641b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}