{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x7ed91dec66c52a4feb2067705f71ad9845c6163389dc030ca93db7ef04c67ff4",
    "signature": "0x8787146b7dc9f468c9204c7166a74d8feaace3f439502ebc478a7d577c0b68de386a25c74824b9a5f4053a2d318d2a6a71a3c699a5448c14b6ad2cf3c99ebe831c",
    "signer": "0xCFa936e48986529856De5845C272EDb89839b5d5",
    "userId": "900195610"
  }
}