{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xfebbcfe5de70bdef03158e2b3e2f5e4c195b8645e370710c33ae447bdda2dee1",
    "signature": "0x2a854320802fd9d2498b710c13f033e667dca3c610a2c305def038d2075d1dc20b66f65f03032b49a5baeb63294387260eade725a9a50d4069ceeec7550d16eb1c",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}