{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115071",
    "entityType": "User",
    "nonce": "0xb2f9dbf2ee40e0fa5af87fa369fa063a1029b67b87e68440b779cf07c60dcebe",
    "signature": "0x06b38dae1a8a85e9d9e1fd07498c63fee3dcb5a5b58b5aee803317628d18ed1d42a9c2b2e3f223c8f3c382d14e6e25eff07426f085c200f6e0763dc7af3e3b9d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}