{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x37e145978b45fe2d69513cbac37456f86f296bca657a21d827e030bb396ca1cc",
    "signature": "0x8986dcc286aabdd6069c357103b24636bb5f9b398940db1421a4a23369b4db7f53e29849ed87df7bb02cf9199996bb5053767f453dbaf057603d2651cc1a0da71c",
    "signer": "0x1265314B015c9985CDBDD5e458c4648EE6d6A387",
    "userId": "828737354"
  }
}