{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107436",
    "entityType": "User",
    "nonce": "0x35db5a1a61cbe0313720180cc8577a1735e2f6289a6ebf4861677b6275ba89a2",
    "signature": "0x691dd165483d9c6c75021d0a361280fc3ea1c26f7ba43eb8dc65ceadb20a7e4328ae71eb37b1f88e8dad7de73807bebf71a3772d87f2dd38ddcf5f38cc71c4361c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}