{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7048503",
    "entityType": "User",
    "nonce": "0x2b13240e858583a093988850acf50ea0afc27cff9cf20b3bb2dc2bff3823d62f",
    "signature": "0xdb47f8993c9dd0929d1a1c45354db4baaa0bfee0611a4d8090de7075ccda0cf8269da601288a667f4b409198d9028073242cdc6de3b388187e57d7b4466103d41c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}