{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14012",
    "entityType": "User",
    "nonce": "0x0ad70e9ab2af3b0a815e12ffd2a2fdbd35abc9c0bc8c0c2f461857c71faf0735",
    "signature": "0x7a2fd7baf7e946f12c7736ab6c546a1d6442c131f9dfec022794b14bd84a92074fb88dc0c204584835659f91364389b26d51100ce1ce936dac5947243d158ea81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}