{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398277387",
    "entityType": "User",
    "nonce": "0xf699fac7618d79abea03f750acd0106e055b3841bbb6d2b8f6c17fc3e9b75fc8",
    "signature": "0x0326b81816ed75464af1bcef064d212ba36b5b00f8be9f9c4af60215900d56fd28185cf5e9160cda2c6cdb83051af8973a8af9761c7ebd1ca318c04312a1c40f1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}