{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x91fc1cbc185fd8cc2dbd08819fb3d0296d9190f535b8278e4a825c22332d3f84",
    "signature": "0x6f974bcf11eb6eb472d5a3b1c7fac93a698c6b8858cd2693016d9731b8fdd4dc6c302a761bb5f20413c9c3580261e04a170c5b18fdaba5809d828f4047df64981c",
    "signer": "0xc77D218D702cE78A3646EE211A1D80eAc275ABca",
    "userId": "348073098"
  }
}