{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1721",
    "entityType": "User",
    "nonce": "0xcd8d86577f9c3182b409257700b5518ec90f242b1e77125d6eca1af03cbb78f5",
    "signature": "0x5c04ef49626982390003fdeacc2942cc420fd417e0cbfc74bb101496efe1afa42e1f6f9d86ca6de5eec772cd26c8a093651450b49c3f5973e2bfd86f2f4fb5cf1b",
    "signer": "0x7a252808bd60a26fe5184c95eb104CfADdA8D4C1",
    "userId": "186415718"
  }
}