{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xcec9917305ee23796723b39caccbb2c1f6ad5b0f60301fc797579379da097ced",
    "signature": "0x5dd0bfe206296b0fa4ed88f4610c9e490c3d4c9f8d1faccf00c6133b2876621907fe411abb059e8e876abce5129c825c58d85e3b0b3813f9864ffcd8f369523d1c",
    "signer": "0xaE442B4b9cdfcA9A4Fe4475E356bc0540E0567Ce",
    "userId": "568957"
  }
}