{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57935",
    "entityType": "User",
    "nonce": "0xd755596971e028a3ac08e6961f3639d9f44bbd1807a456406d08ea0f4ffb1095",
    "signature": "0x628c0fca6959445b6b157f5ca7ae59d07a74b59b6d0af1ddcad28e1619b0b61c4018db56fd62ad91a05d7f2a067694117afd51d1dcdbf1400fd98978910cba8f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}