{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "963075181",
    "entityType": "User",
    "nonce": "0xb725c073fa51f021b0c33d0ab3ef66b9cf36cbacdda40e19c1dd401171b07e76",
    "signature": "0x4de9650551cc8916efbb3169965b8698ca735800f5eef6fbc358a26fb3a971fc20577f4b20705f6f3b22ca9a29208043de0f67155e22cfc4f736a0ca89dbea9f1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}