{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195279",
    "entityType": "User",
    "nonce": "0x55f055ee07b68876d85a706f7d356e29b528854e73e9e9c579551757f01d37a9",
    "signature": "0xce84235166435bf6a5dcb19aefd5c3104d3184f8928f83e8993d1d967e646db76bc8e545b0424a2c21a1f398de09c0d547c489b20187ddc77245629dd216c21b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}