{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83483639",
    "entityType": "User",
    "nonce": "0x6b2ebd11e7584462587330da7244bfdc1ea1c49d5ff096bffcc295cfe911d914",
    "signature": "0xebc786945569f02b5a0825ae1ee3cd06bbae7deb1b1b35bda8a6b7054748a859541735cfdd501e9c78929ddec7ceaf006a0ac2728b23dc9878fed4a2fe1d61671c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}