{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4132",
    "entityType": "User",
    "nonce": "0xe05da98f2de435c7501cc5efbe48fa2edccc35dcc8786d704bebcb9577fc7142",
    "signature": "0x8409377f196dc6534c75a7b7f35ebf297a2c28907cac179c6d47fb75c9cedb9e2683023f441314ba9d87b5488d9b6304d5474804cc93221fd74ccbc2bb25124d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}