{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107281",
    "entityType": "User",
    "nonce": "0x5eabf1f4ab65140fe3d295b1b11a1a8056a99c9a421cf14f6f2c1c4c6f04a65c",
    "signature": "0x5efda68c6121c7ba77e5fa1f5082fab077d180304d047b05a86bd0c3adf17c876a4a1e06f7f37ddd858eff017d019084da79b4039ff14b4b486235b1d4b1040d1b",
    "signer": "0xDc9E6086716d1ed5Ccbb7144C00E93f86Cc9Fb26",
    "userId": "436039881"
  }
}