{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x561962e2a40995d9e4cb67e663fd9f6ccb368d56b8ea296df504a7b78b5f7ca4",
    "signature": "0x97ccfc8b84b21b0131671eab9a70fd15124ac3d864fb1c8a24347ce8915b6604244a4122ce9efd79739ecd067f459b47db344ea1181ec964c5edaf5e8ee29d651c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}