{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62369",
    "entityType": "User",
    "nonce": "0x994638271fa59557d659148ac98b6fcdc2cbaf38de6190b70943ca4b2ce2f77f",
    "signature": "0x94892f087fd87493b8af76bd2b78fb8a733b8ed17b78327514894e20ecbcbf3d4e04ddd685031420365258ae88227e80db71046d8472112b67e3ce019588dbad1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}