{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566443625",
    "entityType": "User",
    "nonce": "0xc78cb330da6713898557e6c8281424b190775cde9ef3211ddb6bccdeb6afdad7",
    "signature": "0xd94fae594d5406b7bd3d5b02c4b643e21839267db71e4a4940bd44df605cc5a701c807c2574ece177b14fdd17acb8de997e840dc170fe06d143d82a3a26f73c91c",
    "signer": "0x833ef27c5e676B068b59D1f7945C3183e1756C2c",
    "userId": "411919841"
  }
}