{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253160273",
    "entityType": "User",
    "nonce": "0x0efdae5113c7029a613269eb461f80762f38c3b3f30b77ba69a4ebf98372bb80",
    "signature": "0x61a6e21abe873ad8f4ab52322f09cc02f89bb2b66458df537fd4e1dfc4ad270c4c35f4222e5bdca37908b4cb0a7016ef3a7dde50ab20654a861cfffc378c6fa71c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}