{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59238",
    "entityType": "User",
    "nonce": "0x639c5674798faa3fcaddf15e06784ab5e51970174f9d1ea0581b000aa2f505d6",
    "signature": "0x0979bfa504d265026750322f350565a93922a4bd629e3535d5370a3e96bc094b07070dd7483529825eec31d283a2f97586692a2f2d5988afff93499d21848fd81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}