{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6808",
    "entityType": "User",
    "nonce": "0xb0d8da349baf62b2831494d40fe5220ef72506a5c650725b8a2d3c0a3480bdd1",
    "signature": "0xe412eaf80242126d0b3800adc7dae466006df56fdb42b9e4ce3d26b62d1d3b8e321e6ef91312ffd268ad4a777efddd4f7ae0058a6957501dafc2ec0b8708c6f21c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}