{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1031",
    "entityType": "User",
    "nonce": "0xa66741026012f5aaa65f82b2d797029bc9af062cfac599bd9788e7377a0917bd",
    "signature": "0x44925305119668f7d498c27decabf0f01811835588cfb6b865e985932fe074df3b6e96c2040de4d75c152c99a614fc13a886ef0cf32f00ece7450e317452b6e81b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}