{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1f5084131d39c3bf13b245b40d6faeb27964d6a0e9d0f294c4ebea4d032a75a7",
    "signature": "0x4cac1214ec730b948232084baa06933749c368507855ec93fec30ec588d84e1212c70234ee042ebfeb4e0cad3ee530cd4882639e13e8d1ca3d591db777d3d66d1b",
    "signer": "0xDBbcc5AfeD5759839765FefFD181F92247d57b5A",
    "userId": "68185693"
  }
}