{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65872",
    "entityType": "User",
    "nonce": "0x893780786dd5d56f2427d69a290bb385131bd585f9ed043319729f7d67dac2af",
    "signature": "0x4f659bd6dd63013daa678c16ce718ab339172b76281414855690aec96df8ecaa02d8da82a7a92c6988d9a55568915418ec6ede7adaeafef8208f12e52c6352e71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}