{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355647",
    "entityType": "User",
    "nonce": "0xd519d3989a2dff0d5fc3683d66bfe61aa39b0575560b5b1342e684ab60aafc20",
    "signature": "0x9a2eb90194a98a81812c0f9625226c49b9e274dc9ca37d3be1601ea03ff29d984342fba95810d00bbe643b693dfab022eb13b4c4a07eed8a5ecdc8a2e3604b901b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}