{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130081761",
    "entityType": "User",
    "nonce": "0x8272e674c8e45a3f0cc315f52531c4d5d6e5e02b3534ab0151b3d4d7b57fedf8",
    "signature": "0xa47a6c834a8fb6d26861761e2909b6e8a2a6869c2caa18a6a67ca02ec84cf017779eafdc5df62a47dd3779c92a7750c4ba320169ae437c1bb40ae08c280f7ba91b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}