{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222276",
    "entityType": "User",
    "nonce": "0x767f19f2bc01196ef1c09972144db791ca7924adb4c594335d0c360e859432dd",
    "signature": "0x531a6d3508dc73d83133a9c000357c3d51d5ca64ad5ab3e940903750da408d6363998c1aaf7d7c941200b2b4c006799309afe942b36ebfb00e186e57e7434bf81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}