{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118649",
    "entityType": "User",
    "nonce": "0x4fb31647338990aa1abd2bf112b2a47fe8bb8573432a37b915a202e4e2469499",
    "signature": "0xf0424c419b28a3e6171801dfcfab0505d23171ae5ed0ceefc2b4201956754b0504f01937cdc0416b805cb749824bf17e2e2169aadab1602e535e265975fa9bb31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}