{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "568954084",
    "entityType": "User",
    "nonce": "0x7b9500ced7ba615962c441071fce68f160a1da18a9be29f1111f032d1e07769f",
    "signature": "0xae12af58e4138958c639e9f9dc9ab20a0e1daa840d061ab5622c43aedc6923892911c15e580b327dce5ae32db543b2f71ecd54927960b7d7285467a8cd39b3061c",
    "signer": "0xD8DBc17870A41e0F7ad65EecA55209e033451672",
    "userId": "800360768"
  }
}