{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103061",
    "entityType": "User",
    "nonce": "0xd09f86f4b115eafc096e9315c20136b9c77e8c039898b8851c9d8439f2364b6e",
    "signature": "0xf698470d93632ff34a48f8f46ecc4ad34f2e3b96ff320914124b642f3657f9fb05777b5537346e2f085ec4e1fd22fa1333043e831eab27c37ce6ec8dba9c25b31b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}