{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8379",
    "entityType": "User",
    "nonce": "0xd4cc251d847b67ee3b4159cdc6c71b1cc2ff14aa1d3555467f2ddda61830e152",
    "signature": "0x0c750a68215cac6d4828b4c18e3613e518e4692d94b667251b2e4ae3a521daa93d75ba08afaf18bf4bf7c4772d54c5ccd99094cbecf9aeba230a8c7a2fd63a771b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}