{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x2f02703f2249effd9f32a066ad2ae7d6b47b09dc2ddc339a6ebf36d51ff7376f",
    "signature": "0x216b1ff0bbfd125e2a6a89a3a9355c0866fb4bd2937d40f59ca072a079f18c8930f74753294f0fa46ea11dc832019885e4fb929948bb363644dcee488236e3bc1b",
    "signer": "0x6f828868368AA98fd60Bc2c5C32f791eedF56e98",
    "userId": "283783333"
  }
}