{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x69b8956c45908675ce4f7844dcc09d1acd579a1f73b6b3a036435c6b3fda017f",
    "signature": "0x44bd9b51286cbc19aa3488bc7f65618f547bf671746ef5027831f7b503e367b4462d79672fc3c07490027ad648a6c9c3200ad7c9115742414a4611e1fe6e3d421b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}