{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x79cb3301380b9601c7f755f4efe36cad38e0018375783efc38515cc5dfc44e47",
    "signature": "0xa3088ea21737ef3d1794b03698bcb76a874ce8504a3d717a59d87ce81ccfc07b2753cc1f58778af6ad027539d5fdda8e58057eee9bf7deba01412511b5c4ef9b1c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}