{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5c133afb02262b5322e492b08f671eeebc15c34dc47073f77c0eddf69b7d29ee",
    "signature": "0xd8eb02ece20bc3f533b7b0a3dc26b82fc44caac0dd8d66d88fc58c0a614426331220192677a8dff66febec9a7e01590693788ab6bdb9879705c985aa612561191c",
    "signer": "0x0240b396796806d3154e6775A06a3b5587320DA7",
    "userId": "238777074"
  }
}