{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0xb07a43ef269c1edeb41179ecca24d512879f58d9dac1dc3b5025258e11f0056a",
    "signature": "0x02381c41ab3b2199ef73b824ff59d14516698424f50220f540e57fcc8efa14b24abeb57da088ab54d45138f8f7d2ff452a62d879d970a9e1bbb1bd6b687ab65d1b",
    "signer": "0xE280E847d2A686a5B17DF698d98323E53A33789a",
    "userId": "915319400"
  }
}