{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106074",
    "entityType": "User",
    "nonce": "0x2dccbc877d6776bb70dd83e40e2306937fa481a62cb4664c49397da4369e8cb4",
    "signature": "0x13d7cd97f52890c738d39ce6cf3201ce5f43df8c27ac757c9c52496fa9882a3a0fe8a9bd67fb2eba13c70696b9d2f1281a75810d3a61335dd6cc9ac81c55182c1b",
    "signer": "0x1F8d00A05AB04Ea8AFEb3B1C72de612c9fF456bD",
    "userId": "780838336"
  }
}