{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0xd106c11c98c13893aad36bf381c9eaeace80dcaf043311dfc10a1c39671965ca",
    "signature": "0xd8dc96c9110891ed986bcc69df824d6bd7e6afab1f7d39f4eae46d47d00c5ebf574cca74f624cc2fcace6fe5f3ae223b92ad4b0b9c852734f99262bfa769abaa1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}