{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285584",
    "entityType": "User",
    "nonce": "0xe37edb0e411cfdf17be388b3ad8d157ce99981fdd950b6b488e8e741065cb095",
    "signature": "0xf4562c4bc4d9fb29d9c05eb505b59131705deeefd90519c1d34fafa6578bbbfa4dbfe57952ad1ba9099c81ede9f57d200e76e876d1914d0c0e3ec0636997e46f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}