{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78064",
    "entityType": "User",
    "nonce": "0x28b02527d6f40723b2a0f51af76daf684df25d381f2ce2afa3e19dd72e9bc4ed",
    "signature": "0xd9169c5371cb44bf686272862480ef7b7be113188d2fc2cd7e0d465843182cdb41cb5e2e782d3705b40959cf8297fd0876ddb4486c31b3650b97b39c276bcfb01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}