{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5089",
    "entityType": "User",
    "nonce": "0x6bf972d8b8d1f4d9935e28f5fedbbbfa5551a551b9568189735e59d1259b4ffe",
    "signature": "0x6e6641658a5e76d10ea34b22945f4a8d5ee107ed81287c0de8b144e0f9dfbd024b50498034a9c52a7f48a9c67da664bf784badd1ca9921ea986fcbb0a57d60751b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}