{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313260",
    "entityType": "User",
    "nonce": "0x516f1ae3019897ecef86e8325c852d637ce315b0d766f488dc5ad16b8b0f0995",
    "signature": "0x869ea246f6ff951dcf85786386211d0c9ae7c28f56226adaacde9780b1185b5322291d452cba07d6c304a7e2a8deecc3e803c98b84994a0cf47bed6f2735539b1c",
    "signer": "0x3c154BbB8f1ac3df4a7721Eef2A2198c385D2a85",
    "userId": "587797478"
  }
}