{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9245",
    "entityType": "User",
    "nonce": "0x42a77e76dfe89d8c51a6c52d148932446228746d7604e058bd971f3e0070a866",
    "signature": "0x3dd20bc5e12f5eef4e0f58832d79d06663b57d37acd0cc283886c0c18876bd290ea990e391f79af4056197be2fde1e0409e9b143b59989ecd07847451dba93e11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}