{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1417423",
    "entityType": "User",
    "nonce": "0x9626f8f3e3e10b3fe4b8c6b73059bfe4bce57a72865185b6b17fbfa27d20d572",
    "signature": "0xd30ce161d8967324d010ee70aacea5d030291afb4a9fae0b3da9d4528e530e6e5bf843d162f5514c333701f92f5aaabe99d252b23eea294bf478345e2dcb5dfd1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}