{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217588",
    "entityType": "User",
    "nonce": "0xf5114ec3766a95930ef859cc98627ea30cd12e764c975f6def3d0dd17b2c61ff",
    "signature": "0x5ec00262d14ee09672b0df3348e0e6f9c652292c8abf6c9e1333a3a25ea29b0c257a2664194da377ab85ca1007c959fe6dcaac96ac96d9a85099e314c75a0cf31c",
    "signer": "0x3ce98eEb540e9f90ae2BB6588CEc86ABa4099408",
    "userId": "8601343"
  }
}