{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4589",
    "entityType": "User",
    "nonce": "0x4d2788f7cd95ed98662bdd62fdbc825c980d57556a3406ebcf9aacd8aee40ba8",
    "signature": "0xc9aca9ae90d0ea4eed88e573a0566cad3aa11fbdeafb1fa15def44346c7a3ee5304c643d106c84bad4538b701965303fd1e0871a1523f878715ad7bee35d562c1b",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}