{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275977",
    "entityType": "User",
    "nonce": "0xe4c7091c9120fb8d21e56fc930ce319b2429889c82f69c3fc4fb7ed0ade80119",
    "signature": "0x4bb89d4514e66752491325f03ce8beed360a856686c46608ee132a3cbfd668dd75b13bd2e088d3d8b6f6fbce643698b54327c8158f73be5ef1d7c4ba93d3c63e1c",
    "signer": "0x90AaEF02cbE90652c7BCC9f613d58093d0306085",
    "userId": "817746417"
  }
}