{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcdc222afcda1d741b111d0bd6e47399329075626aa8cef61a56e6a619c5154dc",
    "signature": "0x6ef54dfb8e156fc1f24324d4da35a27b089dd4f1f096c3110cc7f3edc01a730c65b98126ee0b5f857bc3ed784f4c5982f46e327b5ac3863f366b8e2c312791af1c",
    "signer": "0x3bF1258fC69C58D6B191B7872B2D087a37900E66",
    "userId": "347062615"
  }
}