{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6e8a92da89c54d2d60e75d68c0fa8e5584c2a9dcabeb79661aaa8612e2a9ae62",
    "signature": "0xb8308982f7ed65414676ead35b09911860fc22c1e9085cae5e5c3852837e4aeb7438d26f780cf1d77f241764cedf8637afddbae8ebac1df3aa6fa93e5e89b6201c",
    "signer": "0xF682C774a41423ed4CB46102EfE2DC1b18b5f8AA",
    "userId": "204490266"
  }
}