{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62223",
    "entityType": "User",
    "nonce": "0xa4e584ec699d086eaddbab891769236b4ffc3fa56f4662555d5861dd5c25ddf7",
    "signature": "0x14c777b06c32d321943431fc36bed3ca0ea9e42348b51f52709e2f209c27706b517cb7bf86764d23d4474bdb2a747b2b23287c9231a1ee658c4d829cb9db94741b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}