{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43375",
    "entityType": "User",
    "nonce": "0xde40be596115faf8af2b0f9c5aa1ce32fd7c11cef7c31867058d1313455b0dfa",
    "signature": "0x0ccb95b8f3e55e857b2d6d64ed82dbf693a9afc39ae6f4e63a37a2dbe233068949a63fc55fecbd5b0de724de581a788d72f311ac16d9b8d89f8475443851cc951b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}