{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224674",
    "entityType": "User",
    "nonce": "0xbf56779819d81c76e6bf30758a539f6e4206c5a0ff7eab4413f37fdba1351600",
    "signature": "0xdfba62e1fa1fc3eb1a7c7d05049af4061a803c0ea64f6364e06193ea175aee0f48b19b36f0536283432ec576b33b0796e4793ab5fa17e14df4c149c8903e2fa21c",
    "signer": "0x1366a1037C8F2E691bA2D0dF3a1176FbA4736510",
    "userId": "39692"
  }
}