{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x97f75ba059023bbd459f7f32663a22d436a3eea56aa67fbb1e6cad8e1837248a",
    "signature": "0x9efbc2ff7bd5b35b8dd109ee69a767d32ef86ccc7795d5b051c759b8c423815f035c41ee93c16977add93e7f14f7ee04c69ff5a08456db14ddec47f6d6fc28aa1b",
    "signer": "0xFBdaC5CB215cb5C9002aaA83664FfDB0e20018cD",
    "userId": "447624565"
  }
}