{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75383",
    "entityType": "User",
    "nonce": "0xb5e1b7855480a6cc5196e65b8cba83f1b5dd511a258db4db65b5dcbd19d0899f",
    "signature": "0xc9593be78717d3199113e6d1c98cc0d157ee37abe875662ced0299f8c2c6819b0918a7c30933242a806ec9b3b92d69cf5bd9bc87322a0ed225c62fff0e7611661b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}