{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xbb8f4876cfbf85d38dc585644a3e5d175dcb4a75df3ef737cf8e81fd70777936",
    "signature": "0xc33abd6d0bbc5a24315fd4c7ab3e79a2b4c92e489ac46d738b97b4f1db947f9f603971c5fe778d88180dde6142563ebcb6e89d88440daec1b2818352498285f41b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}