{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x182f70d692e386c55e676ce27993a0952f938dae7f6eb82e5c03d6350f7e918f",
    "signature": "0x4003e2bd8b01465a6374787413dbe34218a84ac2c5f265213097348f58c1759e402b5cbdf335d105418664aac2fb3f4a9ae6b66101b3584bf0985beffee388981b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}