{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162489",
    "entityType": "User",
    "nonce": "0xeb4347f6954d2eb03da4dab72345a37cdfe43f45832c9ecc64e73323f22d6bf6",
    "signature": "0x0754e6a722398ccc6ce599298285cfd797e0d6ecbff9bd407cbd8624c1f7c33c114e632dfa9e2f03e780468a55012d1d56b2c231b596d72a914a556c755843011c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}