{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81357",
    "entityType": "User",
    "nonce": "0x058118d4112d5abeb62abe0469d0c8c4b2d9779de5ae8383d8f08140a5d07fa4",
    "signature": "0xd4496e5da5f729c10f054efcd0d88c76cefdd121bac3980f0bddeb8b966b87ab4e5cdd4b1e3938556f37791d02ccc4d54dc0b4adbfce13948310acc1b50777501b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}