{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51053",
    "entityType": "User",
    "nonce": "0xad88f4ee9ae8d120d7630de68f82c2218e0f4e570e966e286f6c0fef9da3d302",
    "signature": "0x0cea5826f812d0de64f9905d37d7eb91cdd7c1f42c74da8a890363099d92651f208aa55f9a53fc44dafdcf543ad741bcb298a0d26c639d75b6bedc661be9683e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}