{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2902a2d229299503308b4146e7bbf7eba52455e980cc7a49c3ac5d189fb4d176",
    "signature": "0x96bfad709eb26a4229382c6e0bb7234b824c9679a8bfe8a287dce78a7fe7afc633e3ed379d89030f5dcaa6b3de622cb7ad6a416f4b16534378b407e35cc10f2c1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}