{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964257878",
    "entityType": "User",
    "nonce": "0xdded879a0edc820353fb7b45ea6bdd70c96b1024ad4be45bb9ba4d607029cb2e",
    "signature": "0x70b2c0290af6357c2b3b26a124edc2e952522b912d147227bba83ad2afb0e7ca5ab7954ac3ac7a8cf53521bdbd66fdc510bb3a67a7456501429a66962a439cf51b",
    "signer": "0x2acBF90b188BEa0e543bF348864E8a02E3814819",
    "userId": "969601314"
  }
}