{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0x1d44a2d8b037a3dbd7ed1736138cdf5d2578d2410999b3d1a97d3fd8ceea536d",
    "signature": "0x52bd82fd239c4540a22815875a5d3b6a48e8a33a316fe9c2dde9d6342b82f8ee2b7f14340c91e7b20bcf22d004690add986dc0abb0a8646ae01faaf5194f1ce91c",
    "signer": "0x58A3eb1b3C9EF9b2FA599C2B465EE50183253a33",
    "userId": "35164263"
  }
}