{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566180512",
    "entityType": "User",
    "nonce": "0xe234faabae408bb35b7f13cec473498b80e655a660805904957f1824047e74da",
    "signature": "0xf41d3ae43bf5780ca5730d91e2b83c04c9e90dea304db446f01b5a2cc04a0e810b16f3acdf62f1537e1ebd9c252aa12bf8fffe9f6f2b806f0b4c5231fef889ff1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}