{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbb377335af1c73b334b8b93a113b1714e3bc6b8ca3d6bf44218d1d9acec9cfcd",
    "signature": "0x47909e9a344ee28f90a99984cb84e245d612958c3aaf9d8c9ccdf56bc896877c5c4f015f4e7bec8a0fd1e61349db220f4a09e02210702a23fd13705f8bd3a0201b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}