{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x235f522636ba39ecee6b6e20e0f3c019ef41fd64be0637280a974d83696af434",
    "signature": "0x40092571fde0bf79f5f712996355112271ca2f5834e6f5a3a6b5853b1be269f535846ef3210b5011f91c58bd08ec444013b151a0f452212609704a62eb7cc1021c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}