{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xea374eb966e11b358d2782f9cf7d00236b8fd8db2a2df53d00c6a013cbdab91f",
    "signature": "0x86875f89d04509d7db79d7a3372ddec11d007c187f3e29bbf1acf599929ec24529351b7b740fcb195f21399b73547cbc1ba4ea7acaea2990c97b69472dda19a91b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}