{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x6737707721b5b6bddc71c8fd575352d06e4635c906b7ad1b5ad56f8366718c78",
    "signature": "0xd0cc6e03941bb70c6fd768f2cbd67415789ff9224d2282630a84764016bd62d1668717f9ee8a005a513e33b87fb649b44f1658bc8fe11b0124672c0b5aa9f4b81c",
    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}