{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161440",
    "entityType": "User",
    "nonce": "0xcd8c3573be35ddfff1d8e6e0b83b25932ac175c66e71760713ab53c6cdced869",
    "signature": "0xfa4f65f2bc699abf5381201d045a6d893e447b742922c180b8f071c1185b3e20027ed2bc6493d1b397bf9bc3a047aae7329fcce92cfdf4df8068dfe56953604a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}