{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1462163",
    "entityType": "User",
    "nonce": "0x30ac90677889d9d491b4d2d514d99970315f22fcd4feb3a86bd1a28b7a9201c6",
    "signature": "0x6dcdf8036a73a8789951600527522bf57bda9d7dc223e1fd99b1025234ca3589767275933511e3f2e309fecafb6c7550941670ecd7be5ab6f03f2210f817af361c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}