{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0x49699078af19aa33ec84a002043bb375918e99a3c845cb8ac0d4cc1952c61b26",
    "signature": "0xabd5597bd04204c61217dfeb28153cde083a14a04bc15a713f1e8f069990ce957278f0089988c2cafc2129c18ce62a1c0761e6bb1bd8ccd160f54b271cb3a15a1c",
    "signer": "0xD4075518293370C8887D8dd80B16bc683A59D633",
    "userId": "743640235"
  }
}