{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xf0c3ddfc62181971d431c87cbe5c32eda1a7dac334da48ccc4c1122136103586",
    "signature": "0x3fbea596d7eb2055151bdf8d20ebed6e1c83ff5399fd8f2a6d0f050e0e4ca04d78d4b9987ef72936fdd5abd41e943c4053fcbf25595afc10d37bb2f155b6cf9b1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}