{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195630",
    "entityType": "User",
    "nonce": "0xdb9e0ceaad660b6f1840ca955f49cc314482806128f7938bb7fd4fb0efb5803b",
    "signature": "0x1c97c38e13e9222865471ebcf0c94ae96bb5d029e7c1f0086955a084c31baaf825980e33e53629041ed28c9a510c9f0cb504ed6db3701503606eaa13a49b58eb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}