{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141925",
    "entityType": "User",
    "nonce": "0xc89d0c9bb0a0bd45932ebcf9614c1b4b4d373c32599a2c45772b61140b25bd6e",
    "signature": "0x5bfe536fb0435693c80a18b5a7105ddd23bb24404492a090173b55a1676503a0595df447f230a145c80651a1472cdc4ac21d05846e2afa4926948d9aa78a67731b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}