{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168296",
    "entityType": "User",
    "nonce": "0xb86885715885b9884c81bbf387ed35c3c7be269bc101fe5537b9e4e0cb72a4f9",
    "signature": "0xa6bd6fbefeb83ee90863f6cd75f2a4a39d0192000151685d8d3ae464060b6c950c01fe8537c8d6cb46af74504f87f7dfc88777a574389a3ee46922060ef1b4d01c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}