{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4860",
    "entityType": "User",
    "nonce": "0x2ab415158411ad1f9d15d90874c3663cc027db1080dfeab53490e5c00efdf50a",
    "signature": "0x555d947708497b7b6bdf7fb6c7e194cb5231620c12de837869f4063d10f923d5003a68b2f11b453bfe3517d78c048db312b0780495910256152cbf1df42ebcb91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}