{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x379f977a10c3097c138ba9b69d6113af0cb2692237acce0a32615cdba2be2f1c",
    "signature": "0xa6f4cc5eb9249c382dfbeb9d1c39b249bc36d1c700edd0f53662a161790afe886b962b35e0193ead67ef2cc957ea3b32109127c2a6d8e2bb79b96055ff1f73551b",
    "signer": "0xC342d5Ed4eb277Cd0ca6d1dAFB2E10856A965173",
    "userId": "686661705"
  }
}