{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x912d18068d5769bedfe3b87cbae3855502380db6ab750e704ac35234de26e318",
    "signature": "0xc30a13ba5acbfe4b9bd709d13025a2bd25530c11eccee44caee5c8f29c86109c75a0eff3d237b3aff1c3620821ab7359dad4ba9cc2adab0de2649cdcf8d97e231c",
    "signer": "0x82D44C7Abdfc863304aFbe8F20C401c82c4E9B46",
    "userId": "61795454"
  }
}