{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdab4233551c0b8290a33d84f69c51b41b6fc39e63462991037b58589be1e5558",
    "signature": "0x0e77277a313e945d20c097228ce30eff08a2b343a92a163c5d598a353bb0552e3b3d12a3966e6917a347639b872fe29d3f570b158d3bd4324c2d450e529de2881c",
    "signer": "0x57227342183E9C5360bbfb9C78d69434AF268B7a",
    "userId": "814449906"
  }
}