{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x4320e51d62e4497faae9a06349d9ad73ea21b543fe1d4f70ed4e5718ef7f005b",
    "signature": "0x57a5da30b6a05971f38f2fbd093d06462f0b626b3e9024ecb0d938886b40da7d0d0cd126958c9629f73c32c17f9ce9ec16a599ffff27d02e07cbb0b2578e37b51c",
    "signer": "0xFC64B2Ce4fBD6922262C921DeD45174e1bbAc9C2",
    "userId": "251933338"
  }
}