{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0xdbb13bee681a8b10aaa529d0f398025335c7558a0b42cf458bac54cb54fed37f",
    "signature": "0x450a269377563064bad0e42a14dfacae8707080f5b909e5fab21f495e585af38205b6577dcf28a61770843ec7cb2f44a2c0f46926af86c8b5dd61a44eab0d5d61b",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}