{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0x3b57239a6f5bf4c60912d8b4f2ecd8881d742e4f3aabd66b55a0dc311c5d873e",
    "signature": "0x5111087d57c7537fbf0ccaf453cbcb344dcdc5f3b716f24d4c254a0d0609958a436d70e0608876ca0004082c94084f9ac0095d25c93b0cd2aaacefa60c921ed71b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}