{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41765",
    "entityType": "User",
    "nonce": "0xa504066ebdaf9573387c6380970ad42cc8bd8a81753de8fe4cd7d30d9c3414f2",
    "signature": "0xdcf5caabc14e278b6313914975bb6d839c0c47d44fa40a4951964153398dc127788250013f40a9246324674ad2cedf3b81cf8551a5987c1bf54df80757ed41791c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}