{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7360",
    "entityType": "User",
    "nonce": "0x8f4780a92a13f68d73aa61adb7c6938e3d4c2dac14e4291afa3f787d8d750797",
    "signature": "0x0982031475e089d22a7d198390fcf1214cb9a5a945c1cfe28fb9bc155a211c8f281f5677eb18f8cba6172d6cc4dd0ed396632f73cf1ca99c1e79befd9fff1cd21b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}