{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85687",
    "entityType": "User",
    "nonce": "0x22c1855af2f13f634788a0f7baa7711a1783bb9536f22245f3e4946988ac228d",
    "signature": "0x38e59cfda5f848a8ffaaab5cc6410e34ffc89d34e2302f4db980a0f1082b0cd83c63aedfcd26b79f808f031758bf553942847afa75e312135f23784f90df33b01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}