{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0x2e7fa275745493d34870e2326a48b98fd7c685e6a2058ec175d596d54f6110f6",
    "signature": "0x7d0f54a14da1fe5ece13b8b49cd10e4f317a43735c0574d46b99204e6685dd6e3f0d1b011ef88fd7352a07b111ce1cd0b8be39a8d51d82125f06714539f013081c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}