{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe043519b0f3c5527176c51a2f55b1dd62fa7038a8ea24046de956e06e21d0ba2",
    "signature": "0x7b08e04fe4ffb7cfd8479ab960764fd2a8b74e93fa6f7bf26d7efe0022b8a94a5c654663fa8a661f6eba20f4e6e344cda0657315e48485dde81cd4c238a53cb11c",
    "signer": "0xee60538C91785b28C36b54834B0f47A421E5d176",
    "userId": "801063782"
  }
}