{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178070",
    "entityType": "User",
    "nonce": "0x3a825468d8971798d35fd282142f87248595375b76efb3afdbe1bcdc42b29ac8",
    "signature": "0xd58099781d50f82b118e4beea2372963420dc968110926ec1660dac6571027e67a8105b950c4f8232650a34ccc98392b939b29d1e3c7cbe42b65315ed4802c761b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}