{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66027",
    "entityType": "User",
    "nonce": "0xeb1a5446a22bfe91cf489a55c380b1618e20ce050eb7e8b4ae82af85390bec4b",
    "signature": "0x7f29b0519e61324b909453d5e02d0884d7f42c5aa7c552ec034d216a31568b011f3351f7981c219d0ebaab6ae0e89898ce96351cb0548c025e4cc265b0b483d91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}