{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184",
    "entityType": "User",
    "nonce": "0xf4c3f978b7b5f6546ed93b5c241d7baa7ae545c8af973d017d70ab909dfa04c4",
    "signature": "0xab59b744df86fd47194ce26520424ffec42f5f5a9c7d80d840cb78b8b9891931633c4d5f4194c55ad020055331aa73ba800c793d6f13dce8cce22b836be2515a1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}