{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45081176",
    "entityType": "User",
    "nonce": "0x582bfd7a7b5523806280eced14c8942d55bded379d4657211e41f69ae0420878",
    "signature": "0x2c505b9c7a179086908364a28c9eecce147d37f18663c1733d7e76a873513d2800b77f314dcc42ec86bf73cf2acc3ed5fb21104725345c4aec24aa998039b5781c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}