{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e0d950e8721d54a7b39170d12dd4bf930bf14fdd1d06c0e8ae646435b12350b",
    "signature": "0x03ae1865b560481d8ca44dcab6c2445fc93e9df7a802519086fab3826a71254965a9a36d37a21a7eda558f8851487fc291de20306357e8910d5abb0e9b830a6c1c",
    "signer": "0xC0529A6c7635098E126EFdbD4b0151392e410568",
    "userId": "148166648"
  }
}