{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xa12f27fbef7fc9f526f8de2f54d5ee261931cb5005e9d85e52338e36d03d20b7",
    "signature": "0x8e90731baf04a2e5d36b229efe1cc0627454eb980bc7d5dc5bec67ba6936d4162bfeddf43a064e2f54940a3f0a96ab080c4c413096b68abd4559719371b01bbe1c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}