{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77744",
    "entityType": "User",
    "nonce": "0xc68be3ea54dc9acab6a10f086209dce23be94f872bb9879fd73425829afb4736",
    "signature": "0xd9e1d86383f0849b3fa5f0ec1e0ca8b002d5e8c956e7541f43bac65db34643a026e7eb3b9141eaee4c91eae9136259118b1167889871f2bdd4d61f01e860dde61b",
    "signer": "0x216825d141Adea3A0A5a65aD345DB831Df6fF225",
    "userId": "842509080"
  }
}