{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x38863f48e36c94ae87b002a62c3a57878b755c55355ce508fd8cbf21f08a0e49",
    "signature": "0x950285ff1e5e90ba8af1286f6c04658f2b6c4d95abfc252ba87f41e03385a53d3f8bc5f171f5b9f0e055802e46fe032b7070eeb0adbe5fa223a2625ed8528bc91b",
    "signer": "0x8c5473b865B82a2EbAb23745ffe03CA73600768f",
    "userId": "561254107"
  }
}