{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0xf926728278e5d2496e0af27865e85bce6e9122c8614fd51cc57e9f871844b9fb",
    "signature": "0x936fcfe22acbdaea07abcc6f91a65f8f8e582342b7fa42f20ae146815aafb4042424e7c24a55e89f936b54ca52282bde97c7649fa0bc1415f8574fc0e9cba9061c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}