{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdcbc3b8fe2a1919d1f3abf2f1dd90e93cacc191e78f91879a4aa9648af0276f6",
    "signature": "0x0a61df5f9a1f8a0cdf17fefce44e9eb7679ca763bee3fb85f04bc681a562a4982e9cd46a74fb1eea5af276ce42df646b54c3fbcdf23e70fa0ae8c8b65c1176601b",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}