{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51449",
    "entityType": "User",
    "nonce": "0xcff008807a0d8b8afb85f0b6dc472b42a386269a818f29a9f149c4378f00b5ed",
    "signature": "0x065821187be85e68282d3ca7faba5da3b64eff02ae7736991a2ae06029e184b8677017d2de1f678507ef5eda0e3aed52af8781c642676c6de452b9f36196d1651c",
    "signer": "0x98136cbaDcE798Fbbaffd4E4Df4EbDfC381aECA1",
    "userId": "844588084"
  }
}