{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139309",
    "entityType": "User",
    "nonce": "0x00e33ff492493fd7065776af5fa4d6acc7de206168284a7b922dbd7431ca3143",
    "signature": "0xb73f40346ced5611d99f7703c489f80db96b605de0fb886598920a7bf72c7d4a7e258c011829d0f783d1a592ee257f4e98f420d74ac842537c035115c12d48df1c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}