{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957024793",
    "entityType": "User",
    "nonce": "0x8bf5c0e5413c626b002534e08a4be6073ba3140d3cc3c5b894da7c4bb97ada2a",
    "signature": "0x2ed5e430d7777623adcc8fdf103a3daf3096de766573f3894e0ec367d0b5041e38789ccfaf6191192ef5f7ddec79487dfec4074af002d1c0b289bc1fa9bc259f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}