{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc0036827991449a4d259b6242bcf838ac82cafd77864d3491f1b084e1f6a6bb0",
    "signature": "0xd4128cc3c70505d6c77c1586562479580b115647fae9cec432b96e6e7b7504481cfc9f15b10afdc1cbca6768d952e014f1c90c0c87cd9066ec7e604ffbace9f81b",
    "signer": "0xE3009eA55bBfF6e54E319Afe0978Ba76Acb58F55",
    "userId": "797690259"
  }
}