{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8603f470d9ad413d00767c55ce8f1c10b1c167102c60578fa6fc1990fac735c4",
    "signature": "0x328fd920c06feeebc2373a16775c34f3baffbd2dc31510d81758131add45d94344a6372dda067a981905911edcaddcf9bb918b9742a948528bc0bdad234ec5621c",
    "signer": "0x5a3D8ee650e3AC49E3814789a0e2783f0bAFe395",
    "userId": "951735298"
  }
}