{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157408",
    "entityType": "User",
    "nonce": "0x62a7e626f9da3ad529c1ccb12b3097b4102e0384b2879644dc47f0b50037dce2",
    "signature": "0xf4cea60c83380d90298d21239599a3308fa9a7a1c59fa9783516d028f80162ca43acbe11ab401959c9ce765cfa6207bec78d94b4bf26833a1a85fae25d2e17791c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}