{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa95e7a8d278de4ba6fd4b7897a0f6d2d05b4b8cdcb4bd4b00c8dc46440c588fd",
    "signature": "0xeba735883949a9fe228b8cb0628f33d533abc6c6dbae846d173f75f2f1a5dd8027d1852482b9457202eb91ad3c7007df581fe31aac057ea7f30c28cd7aa09a961c",
    "signer": "0xf399Ef3A18BD7C0De206619229371a9f28c8D86b",
    "userId": "900416093"
  }
}