{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17376",
    "entityType": "User",
    "nonce": "0xb4193a4abf24fbcbe030f5ae13e6c56e73b6b73919ff4aa610527321b061b758",
    "signature": "0x43633fc4281ef168c9d42d51d11d1168cd739269ae3944a7a39098de000e4b0a17c061416d128d6c242234c819d5a32b5622ca52d56132896df81c9bb0cc162b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}