{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332532",
    "entityType": "User",
    "nonce": "0xc0266a534592518ef95f52ccd80439bd896f53743005c861685e5ee148b0d302",
    "signature": "0xf6c78aa1a2516f4206ca905f11ebca5b928219551f16c197b5fb76fa2bf86d8433148d35afc1f8d671c93dd1118f9a8626ce330a84093d5470cbfab77bf45dce1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}