{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x10d5f204c3b43dcf5cde706ef66a71c4f1efc786175e64d0810e6aa639c5ae9c",
    "signature": "0xda041de4880eb6503395954ce2a0183a5d68b0f5cdab258a0ee27b45a82b184934c0566cf78b0b55d342f22e1377e8c0be3bcddddf46355741230ad0ecf220a01c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}