{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395874",
    "entityType": "User",
    "nonce": "0xef7c6ad73c55348dc3caccd99b43a7cecce6e277f27a0d9a2c4e1196593a78e1",
    "signature": "0x73551c76864bbe9ae0c1861d955636735fd914d2e1dc32c8959c45e4002702dd0c1278a5db52bccf8b8324900fcb9015ccd3e72b803443d64a96abe431e7a0aa1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}