{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94117",
    "entityType": "User",
    "nonce": "0x73fb0f7fdb6b83661027d74eec4abcfd19fb9b9899da48bda7bb023982daad07",
    "signature": "0x8f94b9f1fdbb87e1aa1b3a3ad60f5b5883949271f20bf8536a6e22e1de3dcfbd1f4ab203ea47111e2a5fafb74d61a39bf12b1c016dd36bd2331f6254ca8c61f01b",
    "signer": "0x621C1ffd4F2D9c750A93330767C1252dBa68Ec3A",
    "userId": "187371220"
  }
}