{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220198",
    "entityType": "User",
    "nonce": "0x3ea07ab9f3d0513b613b8045788e0970fb54dac357d17b2cc2fce8c1b2b3ef73",
    "signature": "0x8e79a57b9520f3d7e18d20fa4a1eb2dae6a8282a4e4d76a4ad1049a74690f12a0cb4cfe8681778d6046ddeab2e13dd1e563d378a84ef9ca5351a1fe0e36598c11b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}